Trace the Origin of Any Area Code (331) Phone Number

Area Code (331)

Area Code:331
State: Illinois (IL)
Country:USA
Top Cities:Aurora, Naperville, Saint Charles and Elmhurst
Total Cities:17
Total Counties:4
Total Prefixes:70

Area Code (331) serves 17 Cities:

Aurora, Bartlett, Downers Grove, Elburn, Elmhurst, Geneva, Lemont, Lombard, Naperville, Oswego, Roselle, Saint Charles, Sugar Grove, Warrenville, West Chicago, Wheaton and Yorkville in the state of Illinois, USA.

Area Code (331) Illinois Counties:

Cook, Dupage, Kane and Kendall.
Illinois Area Codes
Area Code 331 Prefixes
  Prefix CityService Provider
(331) 200- Bartlett, ILT-Mobile USA
(331) 201- Downers Grove, ILCellco Partnership DBA Verizon
(331) 202- Elmhurst, ILSprint Spectrum L.P.
(331) 203- Aurora, ILSprint Spectrum L.P.
(331) 204- Bartlett, ILBroadvox - CLEC
(331) 205- Aurora, ILT-Mobile USA
(331) 206- Aurora, ILSprint Spectrum L.P.
(331) 207- Yorkville, ILLevel 3 Communications
(331) 208- Aurora, ILSprint Spectrum L.P.
(331) 209- Elmhurst, ILLevel 3 Communications
(331) 210- Saint Charles, ILPeerless Network of Illinois
(331) 212- Aurora, ILMCI Worldcom Communications
(331) 213- Naperville, ILCellco Partnership DBA Verizon
(331) 214- Downers Grove, ILCellco Partnership DBA Verizon
(331) 215- Naperville, ILCellco Partnership DBA Verizon
(331) 216- Oswego, ILNew Cingular Wireless PCS
(331) 218- Wheaton, ILT-Mobile USA
(331) 220- Aurora, ILSprint Spectrum L.P.
(331) 221- Elmhurst, ILAmeritech Illinois
(331) 222- Saint Charles, ILCricket Communications
(331) 223- Saint Charles, ILCricket Communications
(331) 225- Elmhurst, ILSprint Spectrum L.P.
(331) 228- Saint Charles, ILOvation Communications of Illinois
(331) 229- Naperville, ILCellco Partnership DBA Verizon
(331) 234- Sugar Grove, ILCellco Partnership DBA Verizon
(331) 240- West Chicago, ILPeerless Network of Illinois
(331) 245- Bartlett, ILT-Mobile USA
(331) 248- Geneva, ILComcast Phone of Illinois DBA Comco
(331) 250- Aurora, ILT-Mobile USA
(331) 251- Downers Grove, ILCellco Partnership DBA Verizon
(331) 256- Aurora, ILCellco Partnership DBA Verizon
(331) 262- Aurora, ILSprint Spectrum L.P.
(331) 281- Naperville, ILAmeritech Illinois
(331) 301- Aurora, ILLocal Access LLC
(331) 302- Aurora, ILCellco Partnership DBA Verizon
(331) 303- Elburn, ILCibolo Creek Ventures DBA Routepoint Comm IL
(331) 305- Naperville, ILCellco Partnership DBA Verizon
(331) 318- Lemont, ILLocal Access LLC
(331) 330- Oswego, ILCricket Communications
(331) 332- Naperville, ILCricket Communications
(331) 333- Naperville, ILCricket Communications
(331) 422- Saint Charles, ILLevel 3 Communications
(331) 425- Aurora, ILT-Mobile USA
(331) 431- Aurora, ILBandwidth.com - CLEC
(331) 442- Saint Charles, ILCellco Partnership DBA Verizon
(331) 444- Naperville, ILCellco Partnership DBA Verizon
(331) 452- Aurora, ILCellco Partnership DBA Verizon
(331) 454- Aurora, ILCricket Communications
(331) 456- Roselle, ILFirst Communications LLC
(331) 457- Naperville, ILCellco Partnership DBA Verizon
(331) 462- Lombard, ILXO Communications Illinois
(331) 465- West Chicago, ILNew Cingular Wireless PCS
(331) 472- Naperville, ILT-Mobile USA
(331) 481- Downers Grove, ILCellco Partnership DBA Verizon
(331) 551- Lombard, ILCricket Communications
(331) 575- Aurora, ILSprint Spectrum L.P.
(331) 588- Saint Charles, ILNew Cingular Wireless PCS
(331) 625- Downers Grove, ILCellco Partnership DBA Verizon
(331) 642- Elmhurst, ILBandwidth.com - CLEC
(331) 643- Aurora, ILSprint Spectrum L.P.
(331) 645- Elmhurst, ILSprint Spectrum L.P.
(331) 684- Aurora, ILSigecom
(331) 702- Naperville, ILMCI Worldcom Communications
(331) 703- West Chicago, ILT-Mobile USA
(331) 725- Oswego, ILNew Cingular Wireless PCS
(331) 777- Downers Grove, ILCellco Partnership DBA Verizon
(331) 803- Lemont, ILPeerless Network of Illinois
(331) 826- Elmhurst, ILSprint Spectrum L.P.
(331) 888- Warrenville, ILPeerless Network of Illinois
(331) 999- Oswego, ILBandwidth.com - CLEC